i have so many issues, i don't know where to start. First at all i'm from germany. Excuse my bad english. I'm working on my bachelorthesis and i have to modify the BPMN 2.0. I already have done that and now i have to implement all my changes in an editor. I looked at some of the editors which are open source and stardust seems to have the best documentation and a forum with many users. So it would be very kind if some of you guys could help me and answer my questions.

I did a checkout of the source code of the master branch and two things are not understandable for me. I want to use Eclipse Luna oder Kepler. I checked the branches for both of them out. Now i want to modify the source code. Where do i modify it? Is the code which is checked out the code i can modify or do i have to perform the actions to get a build and then install it first in eclipse?

I have to do many changes and it seems wrong that i have to build it first and install it to control if my changes are okay. I also tried to build it but i get some errors of maven that it can't find eclipse plugin. If you like i can post the full errors.

But my main questions are what exactly is the build and which source code i have to modify.

glad you decided to checkout Stardust. You may have seen that we have two modelers. The Eclipse-based and the bowser-based. Which one do you intend to modify?

Eclipse-based: Here I guess your current issue boils down to the question what the development lifecycle will be. I would recommend to go through an eclipse-plugin development tutorial first, so you know how to run an 'Eclipse with your modified plugins' from within your Eclipse IDE.

Browser-based: The browser-based modeler is closer to BPMN2 and supports the serialization. It is mostly Java script. This may be the easier entry point for your objective.